# Compass Altitude vs Ultra Precision Compass

The clearest difference is in-app purchases: Ultra Precision Compass at none against Compass Altitude's 1. Compass Altitude's advantage is ads (none vs shown) and update cadence (every 8 days vs every 4 weeks). On price and iOS requirement there is nothing between them.

Both are free to download. Compass Altitude sells 1 in-app purchase, starting at $9.99 per year. Ultra Precision Compass asks for nothing beyond the download.

Compass Altitude ships an update every 8 days, Ultra Precision Compass every 4 weeks. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Compass Altitude | Ultra Precision Compass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 4 weeks |
| Size | 6 MB | 100 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [连喜 罗](https://appshunter.io/developer/1450239627) | [주식회사 강남토끼](https://appshunter.io/developer/1860442522) |

## What reviewers say

### Compass Altitude

[App page](https://appshunter.io/ios/app/compass-altitude/id6738635300)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompassAltitudePro | $9.99 | per year |


### Ultra Precision Compass

[App page](https://appshunter.io/ios/app/ultra-precision-compass/id6796186415)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Compass Altitude free?

Compass Altitude is free to download, with in-app purchases available.

### Is Ultra Precision Compass free?

Ultra Precision Compass is free to download, with no in-app purchases.

### Do Compass Altitude or Ultra Precision Compass have ads?

Ultra Precision Compass shows ads; Compass Altitude does not.

### Which is updated more often, Compass Altitude or Ultra Precision Compass?

Compass Altitude ships an update every 8 days, and Ultra Precision Compass every 4 weeks. Most recently, Compass Altitude was updated on November 8, 2026 and Ultra Precision Compass on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*